@Override
public void updateComment(Comment comment)
throws NonExistingEntityException, IllegalArgumentException {
if (comment == null) {
throw new IllegalArgumentException("Comment is null.");
}
if (comment.getId() == null) {
throw new IllegalArgumentException("Comment id is null.");
}
commentCache = provider.getCacheContainer().getCache("commentcache");
if (!commentCache.containsKey(comment.getId())) {
throw new NonExistingEntityException("Comment does not exist in cache.");
}
try {
userTransaction.begin();
commentCache.put(comment.getId(), comment);
userTransaction.commit();
logger.info("Comment with id: " + comment.getId() + " was updated in cache store.");
} catch (Exception e) {
if (userTransaction != null) {
try {
userTransaction.rollback();
} catch (Exception e1) {
e1.printStackTrace();
}
}
logger.error("Error while updating comment.", e);
throw new CacheException(e);
}
}
public String removeCar(String numberPlate) {
carCache = provider.getCacheContainer().getCache(CACHE_NAME);
carCache.remove(encode(numberPlate));
List<String> carNumbers = getNumberPlateList();
carNumbers.remove(numberPlate);
carCache.replace(CAR_NUMBERS_KEY, carNumbers);
return null;
}
public String addNewCar() {
carCache = provider.getCacheContainer().getCache(CACHE_NAME);
carCache.put(CarManager.encode(car.getNumberPlate()), car);
List<String> carNumbers = getNumberPlateList();
if (carNumbers == null) carNumbers = new LinkedList<>();
carNumbers.add(car.getNumberPlate());
carCache.replace(CAR_NUMBERS_KEY, carNumbers);
return "home";
}
@Override
public Comment getCommentById(String id) {
if (id == null) {
throw new IllegalArgumentException("Comment id is null.");
}
commentCache = provider.getCacheContainer().getCache("commentcache");
if (commentCache.containsKey(id)) {
return (Comment) commentCache.get(id);
} else {
return null;
}
}
public static void loadData(BasicCache<String, String> cache, String fileName)
throws IOException {
try (BufferedReader bufferedReader =
new BufferedReader(
new InputStreamReader(ScriptingUtils.class.getResourceAsStream(fileName)))) {
int chunkSize = 10;
int chunkId = 0;
CharBuffer cbuf = CharBuffer.allocate(1024 * chunkSize);
while (bufferedReader.read(cbuf) >= 0) {
Buffer buffer = cbuf.flip();
String textChunk = buffer.toString();
cache.put(fileName + (chunkId++), textChunk);
cbuf.clear();
}
}
}
@Override
public void createComment(Comment comment)
throws IllegalEntityException, IllegalArgumentException, CacheException {
if (comment == null) {
throw new IllegalArgumentException("Comment is null.");
}
if (comment.getId() != null) {
throw new IllegalEntityException(
"Comment id is not null, Comment entity cannot be put into cache.");
}
commentCache = provider.getCacheContainer().getCache("commentcache");
comment.setId(UUIDStringGenerator.generateCommentId());
try {
userTransaction.begin();
commentCache.put(comment.getId(), comment);
userTransaction.commit();
logger.info(
"Comment with id: "
+ comment.getId()
+ ", songID"
+ comment.getSongId()
+ " was inserted to cache store.");
} catch (Exception e) {
if (userTransaction != null) {
try {
userTransaction.rollback();
} catch (Exception e1) {
e1.printStackTrace();
}
}
logger.error("Error while putting comment to the comment cache.", e);
throw new CacheException(e);
}
}
public String showCarDetails(String numberPlate) {
carCache = provider.getCacheContainer().getCache(CACHE_NAME);
this.car = (Car) carCache.get(encode(numberPlate));
return "showdetails";
}
@SuppressWarnings("unchecked")
private List<String> getNumberPlateList() {
return (List<String>) carCache.get(CAR_NUMBERS_KEY);
}